Home / 129,099,133.71-178,151,633.76-70,360,567.41

Finding the Fourth Proportional to 129,099,133.71, 178,151,633.76 and 70,360,567.41

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Solution

The fourth proportional to 129,099,133.71, 178,151,633.76 and 70,360,567.41 is: 97,094,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,099,133.71 : 178,151,633.76 = 70,360,567.41 : x
  2. Step 2: Convert to fraction form
    129,099,133.71/178,151,633.76 = 70,360,567.41/x
  3. Step 3: Cross multiply
    129,099,133.71x = 178,151,633.76 × 70,360,567.41
  4. Step 4: Simplify right side
    129,099,133.71x = 12,534,850,036,372,110
  5. Step 5: Solve for x
    x = 12,534,850,036,372,110/129,099,133.71
  6. Step 6: Final answer
    x = 97,094,764.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.